Articles from dictionaries, general and subject encyclopedias, handbooks, atlases, and more.
Selected dictionaries, encyclopedias, and reference books in many subjects.
Online version of the Encyclopaedia Britannica with brief overviews of most topics.
Search the full, unabridged Merriam-Webster Third New International Dictionary for English vocabulary definitions. Other search options include the Collegiate Thesaurus and the Collegiate Dictionary.
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